Sensitivity to Auditory Object Features in Human Temporal Neocortex
نویسندگان
چکیده
منابع مشابه
Sensitivity to auditory object features in human temporal neocortex.
This positron emission tomography study examined the hemodynamic response of the human brain to auditory object feature processing. A continuum of object feature variation was created by combining different numbers of stimuli drawn from a diverse sample of 45 environmental sounds. In each 60 sec scan condition, subjects heard either a distinct individual sound on each trial or simultaneous comb...
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The auditory system extracts behaviorally relevant information from acoustic stimuli. The average activity in auditory cortex is known to be sensitive to spectro-temporal patterns in sounds. However, it is not known whether the auditory cortex also processes more abstract features of sounds, which may be more behaviorally relevant than spectro-temporal patterns. Using recordings from three stat...
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Natural sounds often contain energy over a broad spectral range and consequently overlap in frequency when they occur simultaneously; however, such sounds under normal circumstances can be distinguished perceptually (e.g., the cocktail party effect). Sound components arising from different sources have distinct (i.e., incoherent) modulations, and incoherence appears to be one important cue used...
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Slow acoustic modulations below 20 Hz, of varying bandwidths, are dominant components of speech and many other natural sounds. The dynamic neural representations of these modulations are difficult to study through noninvasive neural-recording methods, however, because of the omnipresent background of slow neural oscillations throughout the brain. We recorded the auditory steady-state responses ...
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4 1. Department of Psychology, New York University, New York, 10003, U.S.A. 5 2. Center for Neural Science, New York University, New York, 10003, U.S.A. 6 3. Department of Biology, New York University, New York, 10003, U.S.A. 7 8 9 10 Running head: temporal modulation rate and spectral bandwidth 11 12 13 * Corresponding author: [email protected] 14 † Current address: UCL Ear Institute, Univer...
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ژورنال
عنوان ژورنال: Journal of Neuroscience
سال: 2004
ISSN: 0270-6474,1529-2401
DOI: 10.1523/jneurosci.5458-03.2004